Green Car Congress

NOVEMBER 2, 2011

A team from Lawrence Berkeley National Laboratory and Tsinghua University (China) have synthesized graphene oxide-sulfur (GO-S) nanocomposite cathodes and applied them in lithium/sulfur cells to show a high reversible capacity of 950-1400 mAh g -1 and stable cycling for more than 50 deep cycles at 0.1C (1C = 1675 mA g -1 ).

Lithium Sulfur 186

Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

NOVEMBER 10, 2018

Researchers at Shanghai Jiao Tong University have developed a gel-like electrolyte induced by fumed alumina for dendrite-free Li deposition, lower over-potential and better cycle stability in lithium-sulfur batteries. An open-access paper on their work is published in the RSC journal Chemical Communications. after 300 cycles and 76.5%

Lithium Sulfur 259

Lithium Sulfur Li-ion Batteries Battery 259

Green Car Congress

MARCH 12, 2010

Sketch of the Sn/C/CGPE/ Li 2 S/C polymer battery. The battery is formed by a Sn/C composite anode, a PEO-based gel polymer electrolyte, and a Li 2 S/C cathode. Lithium-sulfur cells are based on the electrochemical reaction: 16Li + S 8 8Li 2 S. PEO=poly(ethylene oxide). Credit: Hassoun and Scrosati. Click to enlarge.

Lithium Ion 220

Lithium Ion Polymer Lithium Sulfur Li-ion 220

Green Car Congress

APRIL 13, 2020

Schematic images and electron microscope photograph of sulfur-carbon composites (top). Schematic images and cycle characteristics of all-solid-state sulfur battery (bottom). However, sulfur, which is an insulator, must be provided with an ionic and electron-conductive path. Copyright Toyohashi University Of Technology.

Carbon 243

Carbon Lithium Sulfur Li-ion Batteries 243

Green Car Congress

AUGUST 26, 2014

The composite shows good rate performance and excellent cycling stability for use as a cathode material in Lithium-sulfur batteries. Another approach is to protect the anode to reduce the sulfur shuttle effect, and thereby extend cycling life.

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Lithium Sulfur Universal Batteries Battery 246

Green Car Congress

JULY 5, 2019

As described in an open-access paper in the RSC journal Chemical Communications ,the polymer exhibits high sulfur content and offers longer lifetime stability compared to pure sulfur, providing new protocols to develop new cathode materials for Li-S batteries. Cycling performance of Az-S and pure sulfur at 0.3 Chen et al.

Polymer 236

Polymer Batteries Battery Lithium Sulfur 236

Green Car Congress

JANUARY 29, 2019

A KAIST research team has developed ultra-stable, high-rate lithium-sulfur batteries (LSBs) by using hierarchically porous titanium nitride (h-TiN) as a sulfur host. In a paper in the journal Advanced Materials , the researchers report that h-TiN/S shows a reversible capacity of 557 mAh g ?1

Lithium Sulfur 337

Lithium Sulfur Li-ion Batteries Battery 337

Green Car Congress

MAY 15, 2009

Sion Power Corporation and BASF SE have signed a Joint Development Agreement (JDA) to accelerate the commercialization of Sion Power’s proprietary lithium-sulfur (Li-S) battery technology for the electric vehicle (EV) market and other high-energy applications. Configuration of a Li-S cell. Click to enlarge. Click to enlarge.

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Lithium Sulfur Li-ion Power Powered 150

Green Car Congress

MAY 10, 2018

Purdue engineers have used upcycled low-density polyethylene (LDPE) plastic to boost the lifespan of lithium-sulfur batteries. When a PSC layer was utilized as an interlayer in lithium–sulfur batteries, the sulfur cathode delivered an improved capacity of 776 mAh g –1 at 0.5C Kim, Harif D. 8b03959.

Lithium Sulfur 186

Lithium Sulfur Batteries Battery Engine 186

Green Car Congress

OCTOBER 28, 2021

Stable Solid-State Electrolyte and Interface for High-Energy All-Solid-State Lithium-Sulfur Battery. Ion Conductive High Li+ Transference Number Polymer Composites for Solid-State Batteries. Polyester-Based Block Copolymer Electrolytes for Lithium Metal Batteries. Lawrence Berkeley National Laboratory (LBNL).

Connect 186

Connect Connected Li-ion Batteries 186

Green Car Congress

JUNE 23, 2016

The all-solid ion-conducting membrane can be applied to flexible Li-ion batteries and other electrochemical energy storage systems, such as lithium–sulfur batteries. Schematic structure of the 3D LLZO–polymer composite membrane. Schematic structure of the 3D LLZO–polymer composite membrane. La 3 Zr 2 Al 0.2

Li-ion 199

Li-ion Lithium Sulfur Batteries Battery 199

Green Car Congress

APRIL 2, 2013

Lithium-sulfur batteries are of great interest for electromobility applications, among others, due to their high specific energy and relatively low cost, but are challenged by significant capacity decay over cycling. In the lithium-sulfur model, the cathode is composed of elemental sulfur. Earlier post.)

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Lithium Sulfur Honolulu Li-ion 2012 255

Green Car Congress

JUNE 8, 2016

Li-sulfur battery developer OXIS Energy UK ( earlier post ) and Lithium Balance of Denmark are partnering to build a prototype Lithium-sulfur battery system primarily for the e-scooter market in China. The volume of E-scooters in China is 30 million, of which 98% use lead acid with the remaining 2% using Lithium-ion.

Lithium Sulfur 150

Lithium Sulfur 2018 Lead Acid China 150

Green Car Congress

DECEMBER 17, 2018

Lithium-chalcogen batteries—e.g., lithium-sulfur (Li-S) and lithium selenium (Li-Se) systems— are promising candidates for high energy electrical storage solution. Elemental sulfur (S) has a theoretical specific capacity of 1670 mAh/g, while Selenium (Se) has a theoretical specific capacity of 675 mAh/g.

Recharge 259

Recharge Li-ion Lithium Sulfur Energy 259

Green Car Congress

AUGUST 26, 2015

Statically and Dynamically Stable Lithium-sulfur Batteries This project will develop an innovative polysulfide blocking layer to develop lithium-sulfur batteries for automotive applications. Polymer Plus. University of Texas Austin. Vanderbilt University. 1,400,000.  University of Minnesota - Twin Cities.

Lithium Sulfur 150

Lithium Sulfur Fuel Transportation Polymer 150

Green Car Congress

OCTOBER 7, 2014

Polypyrrole is a type of organic polymer formed from by polymerization of pyrrole, a heterocyclic aromatic organic compound; polypyrroles are conducting polymers. MacDiarmid and Hideki Shirakawa “for the discovery and development of conductive polymers ,” including polypyrrole. Heeger, Alan G. —Ma et al. 2014.09.141.

Polymer 186

Polymer Lithium Sulfur Batteries Battery 186

Green Car Congress

JUNE 21, 2015

Researchers at Zhejiang University (China) have developed a multi-functional binder with cation-conductive polymer and polysulfide absorbents that improves the discharge capacity and rate cycleability of Li-sulfur batteries. The Li–S battery showed very low capacity degradation rate of 0.08% per cycle at 1C rate. 2015.06.083.

Li-ion 150

Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

SEPTEMBER 28, 2016

BioSolar’s cathode technology, which has been the primary focus of its university-led research and development efforts, is a novel conductive polymer material that leverages fast redox-reaction properties rather than conventional lithium-ion intercalation chemistry to enable rapid charge and discharge. Earlier post.).

Energy 150

Energy Lithium Ion North Carolina Lithium Sulfur 150

Green Car Congress

MARCH 24, 2015

Li-S cells have five times the theoretical maximum specific energy of Lithium-ion cells. The mass density of Lithium Sulfur cells is very similar to that of water. As a result, bulky and expensive buoyancy foam is not required for the Lithium Sulfur battery as it is with Lithium Polymer batteries in use today.

Mariner 150

Mariner Lithium Sulfur Li-ion Batteries 150

Green Car Congress

OCTOBER 5, 2015

Founded in 2010 as a spin-off from Cornell University ( earlier post ), NOHMs Technologies currently has developed a battery that is based on lithium-sulfur chemistry, using its proprietary electrodes, ionic liquid based electrolyte and hybrid ceramic-polymer separator. LCO, NCA, LMNO, NMC and others).

Li-ion 150

Li-ion Lithium Sulfur Lithium Ion Batteries 150

Green Car Congress

FEBRUARY 10, 2015

A team from the China University of Geosciences has taken a novel approach to stabilizing Lithium-sulfur batteries by functionalizing the carbon-sulfur cathode with DNA. Rechargeable lithium/sulfur battery promises an appealing candidate for energy storage to power portable devices and electric vehicles.

Lithium Sulfur 150

Lithium Sulfur Batteries Battery Carbon 150

Green Car Congress

AUGUST 25, 2014

from the University of Münster (Germany) report developing Li-metal polymer batteries incorporating crosslinked ternary PEO/PYR14TFSI/LiTFSI solid polymer electrolyte (SPE), using V 2 O 5 (vanadium pentoxide) as the active cathode material. Also in the Journal of Power Sources , Osada et al. doi: 10.1021/cr500062v. 2014.08.011.

Recharge 281

Recharge Batteries Battery Energy 281

Green Car Congress

SEPTEMBER 17, 2014

A team from General Motors Global Research & Development Center in Michigan has developed a new double-layered core–shell structure of polymer-coated carbon–sulfur to confine better the sulfur/polysulfides in the electrode of lithium–sulfur (Li/S) batteries and to improve the batteries’ cycling stability and Columbic efficiency.

GM 225

GM Polymer Li-ion Lithium Sulfur 225

Green Car Congress

JUNE 1, 2015

The carbons simultaneously exhibit electrical conductivity more than 3x more than activated carbons; very high electrochemical activity at high mass loading; and high stability, as demonstrated by supercapacitors and lithium–sulfur batteries with excellent performance. Tests were also conducted on lithium-sulfur batteries.

Energy Storage 150

Energy Storage Carbon Lithium Sulfur Energy 150

Green Car Congress

APRIL 15, 2014

Lithium–sulfur (Li–S) batteries promise high specific capacity (1,675 mAh g –1 based on sulfur). Lead PNNL Jie Xiao and some of her PNNL colleagues earlier reported designing a lithium–sulfur battery using electrically connected graphite and lithium metal as a hybrid anode to block polysulfides. Batteries'

Ni-Li 186

Ni-Li Lithium Sulfur Batteries Battery 186

Green Car Congress

FEBRUARY 6, 2017

Lithium-sulfur batteries are one of the most promising alternatives for next-generation high-energy-density batteries; however, one of the main obstacles to widespread commercialization that still needs to be addressed is the polysulfide shuttle mechanism between the two electrodes. 2017.01.112.

Conversion 150

Conversion Li-ion Lithium Sulfur Carbon 150

Green Car Congress

JULY 21, 2014

To compliment this new SiGr anode material, the JV will incorporate a unique dual-phase polymer electrolyte material and process know-how developed by CALEB Technology that has shown to not only substantially increase LIB safety but improve energy density as well, according to the partners.

Li-ion 247

Li-ion Los Angeles Lithium Sulfur Batteries 247

Green Car Congress

FEBRUARY 28, 2014

Researchers from the University of Arizona, Seoul National University and the US National Institute of Standards and Technology (NIST) have developed sulfur-rich co-polymers to create cathode materials for lithium-sulfur (Li-S) battery applications. sulfur (Li?S)

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Li-ion Batteries Battery Lithium Sulfur 231

Green Car Congress

DECEMBER 24, 2016

Moreover, the issues of lithium-sulfur (Li-S) battery, including formation of soluble long-chain polysulfides, which easily diffuse out of the cathode scaffold and cause shuttle reaction, insulator nature of sulfur material, and huge volume change (76%) during charge and discharge, become much more serious in high-loading Li-S battery.

Lithium Sulfur 150

Lithium Sulfur Polymer Low Cost Batteries 150

Green Car Congress

MAY 2, 2017

Li-sulfur batteries are looked to as a likely next-generation higher energy density energy storage system due to the high theoretical capacity, low cost and high earth abundance of sulfur. A paper on their work is published in the ACS journal Nano Letters. may be substantially different from those with flood electrolyte. 7b00417.

Li-ion 150

Li-ion Lithium Sulfur Polymer Energy Storage 150

Green Car Congress

AUGUST 31, 2016

Efforts to commercialize light-weight, energy-dense lithium-sulfur secondary batteries (2510 Wh kg –1 ) have been stalled by ongoing problems with the battery’s membrane, which limits cycle-life. Sepion’s polymer membrane technology provides a counterpoint, yielding long-lasting lithium-sulfur cells.

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Manufacturer EPRI Lithium Sulfur Carbon Fiber 150

Green Car Congress

MAY 25, 2017

This proposal aims to solve these problems by converting organic waste into chemicals with widespread use in polymer and transportation industries. Obtaining sustainable sources of chemicals and processing organic waste in an environmentally responsible manner remains a challenge. Trash2Cash-Energy LLC. Sepion Technologies.

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Grant Li-ion Waste Lithium Sulfur 150

Green Car Congress

DECEMBER 31, 2012

Also, unlike sulfur that sublimes at a modest temperature, Li 2 S has a high decomposition temperature above 900 °C, which improves its processing in carbon composites. Specifically, lone pair electrons in the nitrile group of PAN are capable of interacting with lithium through a coordination bond-like interaction. —Guo et al.

Li-ion 257

Li-ion Lithium Ion Batteries Battery 257

Green Car Congress

JANUARY 9, 2013

Researchers at Stanford University and SLAC led by Stanford associate professor Yi Cui have used a sulfur–TiO 2 yolk–shell design for a cathode material for a lithium-sulfur battery that achieved an initial specific capacity of 1,030?mAh?g Click to enlarge. C and Coulombic efficiency of 98.4% over 1,000 cycles.

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Lithium Sulfur Batteries Battery Energy Storage 231

Green Car Congress

APRIL 15, 2013

A University of Arizona-led international research team has developed a simple process for making lightweight plastics from elemental sulfur; the team has successfully used a new polymeric sulfur produced via the process as an electrode material for lithium-sulfur batteries. —Chung et al.

Oil-Sands 225

Oil-Sands Batteries Battery Arizona 225

Green Car Congress

MAY 18, 2009

The galvanostatic discharge and charge profiles of the first cycle of CMK-3 + sulfur; CMK-3/S-145; and CMK-3/S-155. While lithium-sulfur batteries use the flow of lithium ions in an electrolyte between an anode and a cathode, the way Li-S batteries store the ions is quite different. Source: Ji et al. Earlier post.).

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Lithium Sulfur Li-ion Batteries Battery 170

Green Car Congress

JUNE 14, 2015

Researchers from Tsinghua University have developed what they call a “promising strategy” to tackle the intrinsic problems of lithium metal anodes for Lithium sulfur batteries—dendritic and mossy metal depositing on the anode during repeated cycles leading to serious safety concerns and low Coulombic efficiency.

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Li-ion Lithium Sulfur Batteries Battery 150